I WILL by F.T. ISLAND (FT 아일랜드) has sold 47,767 copies in Korea.
I WILL certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
47,767 | RIAK / Gaon charts |
Korea Sales: 47,767
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 47,767 | (in 1 country) |
Total
Sales: 47,767
(in 1 country)
|
Year-end chart performance for I WILL
| Chart 2015 | Rank | Sales |
| South Korean Albums (Gaon) |
51 | 47,767 |